Reputation-based PoS for the Restriction of Illicit Activities on Blockchain: Algorand Usecase. (arXiv:2112.11024v2 [cs.CR] UPDATED)

In cryptocurrency-based permissionless blockchain networks, the decentralized
structure enables any user to join and operate across different regions. The
criminal entities exploit it by using cryptocurrency transactions on the
blockchain to facilitate activities such as money laundering, gambling, and
ransomware attacks. In recent times, different machine learning-based
techniques can detect such criminal elements based on blockchain transaction
data. However, there is no provision within the blockchain to deal with such
elements. We propose a reputation-based methodology for response to the …

blockchain pos